He was a Member of Research Staff with Nokia Research Center, Beijing, China, from 2009 to 2012. He joined USTC as an Associate Professor in 2012. He had visited Microsoft Research Asia from July 2005 to July 2008, and from December 2015 to August 2016.
    His research interests include image and video coding, multimedia signal processing, and multimedia data mining. He has authored or co-authored more than 100 papers in international journals and conferences, which were cited more than 2000 times according to Google Scholar (h-index is 22). He has 16 granted patents. He has two technique proposals adopted by AVS and AITISA, respectively. He received the 2009 IEEE TCSVT Best Paper Award and the VCIP 2016 Best 10% Paper Award. He and his students were winners of multiple technical challenges held in ICCV 2019, ACM MM 2019, ACM MM 2018, ECCV 2018, CVPR 2018, and ICME 2016. He is a Senior Member of IEEE, CCF, and CSIG, a Member of ACM, and an elected member of MSA Technical Committee of IEEE CAS Society. He served as a Registration Co-Chair for ICME 2019, and a Symposium Co-Chair for WCSP 2014. He organized several special sessions/workshop/challenges in ICME, FG, ICIP, VCIP, and ChinaMM.